{"cve":"CVE-2025-64764","nvd":{"published":"2025-11-19T17:15:52.647","modified":"2026-10-18T20:10:00.110","status":"Analyzed","description":"Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-80"],"references":["https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91","https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723"],"products":["astro:astro"],"source":"nvd","synced_at":"2026-10-19T22:16:02.354564667+00:00"},"epss":{"cve":"CVE-2025-64764","score":0.00528,"percentile":0.44414,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-wrwg-2hg8-v723","url":"https://osv.dev/vulnerability/GHSA-wrwg-2hg8-v723","summary":"Astro vulnerable to reflected XSS via the server islands feature","modified":"2025-11-20T14:43:59.624508Z","packages":[{"ecosystem":"npm","name":"astro","purl":"pkg:npm/astro","ranges":["<5.15.8"],"fixed":["5.15.8"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}